1, the so-called "shared line" means that all credit cards held by the same cardholder use a common line.

2. The so-called "shared line" means that all credit cards held by the same cardholder use a common line. For example, if you hold five credit cards of a bank with a credit line of 10000 yuan, then the shared credit line of these five credit cards is 10000 yuan. When you overdraw 2000 yuan with one card, you can overdraw 8000 yuan with the other four cards.

3. Line sharing means that credit cards of the same bank and brand share the same line (generally the maximum line for one card). Although several cards have their own single card limit, the total overdraft in use cannot exceed the sharing limit of the brand credit card.